Just over a month ago we released DiaGrammar 1.0, and we’ve been hard at work to make improvements and fix bugs we didn’t have time to address before DiaGrammar’s inaugural release. If you bought 1.0, this upgrade is free for you. Download it here. Highlights We’ve added or improved a number of features: Changed Red in headers to DiaGrammar. While DiaGrammar is written using the Red Language, and %.